Department of Intensive Care Medicine, Jeroen Bosch Ziekenhuis, 's-Hertogenbosch, the Netherlands; Department of Intensive Care Medicine, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands.
Department of Intensive Care Medicine, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands.
J Crit Care. 2014 Apr;29(2):283-6. doi: 10.1016/j.jcrc.2013.10.027. Epub 2013 Nov 6.
It is assumed that there is a relation between light exposure and delirium incidence. The aim of our study was to determine the effect of prehospital light exposure on the incidence of intensive care unit (ICU)-acquired delirium.
Data from 3 ICUs in the Netherlands were analyzed retrospectively. Delirium was assessed with the Confusion Assessment Method for the ICU. Daily light intensity data were obtained from meteorological stations in the vicinity of the 3 hospitals. The association between light intensity and delirium incidence was analyzed using logistic regression analysis adjusting for known covariates for delirium.
Data of 3198 patients, aged (mean ± SD) 61.9 ± 15.3 years with Acute Physiology and Chronic Health Evaluation II score 16.4 ± 6.6 were analyzed. Delirium incidence was 31.2% and did not vary significantly throughout the year. Twenty-eight-day preadmission photoperiod was highest in spring and lowest in winter; however, no association between light exposure and delirium incidence was found (odds ratio, 1.00; 95% confidence interval, 0.99-1.00; P = 0.72). Furthermore, delirium was significantly associated with age, infection, use of sedatives, Acute Physiology and Chronic Health Evaluation II score, and diagnosis of neurological disease or trauma.
The incidence of delirium does not differ per season and prior sunlight exposure does not play a role of importance in the development of ICU-acquired delirium.
人们认为光照暴露与谵妄的发生之间存在关联。本研究旨在确定院前光照暴露对重症监护病房（ICU）获得性谵妄发生率的影响。
回顾性分析了荷兰 3 家 ICU 的数据。使用 ICU 意识模糊评估法评估谵妄。从 3 家医院附近的气象站获取每日光照强度数据。使用逻辑回归分析调整谵妄的已知协变量，分析光照强度与谵妄发生率之间的关联。
分析了 3198 名年龄（平均 ± 标准差）为 61.9 ± 15.3 岁、急性生理学和慢性健康评估 II 评分 16.4 ± 6.6 的患者的数据。谵妄发生率为 31.2%，且全年无显著差异。28 天的入院前光周期在春季最高，冬季最低；然而，光照暴露与谵妄发生率之间没有发现关联（比值比，1.00；95%置信区间，0.99-1.00；P = 0.72）。此外，谵妄与年龄、感染、使用镇静剂、急性生理学和慢性健康评估 II 评分以及神经系统疾病或创伤的诊断显著相关。
谵妄的发生率不因季节而异，且 ICU 获得性谵妄的发生与先前的阳光暴露没有重要关系。
